EINECS: 200-445-2
Molecular Formula: C₉H₁₁NO₄
Synonyms: L-3-(3,4-Dihydroxyphenyl)alanine; Levodopa; L-DOPA 3,4-L-Dihydroxyphenylalanine; 3-Hydroxy-L-tyrosine; H-Tyr(3-OH)-OH; L-3-Hydroxytyrosine
Appearance: Colorless Crystalline Powder
Molecular Weight: 197.19
Density: 1.468g/cm3
Boiling Point: 448.4 °C at 760 mmHg
Melting Point: 295℃
Flash Point: 225 °C
Alpha: -11.7 o (C=5.3, 1N HCL)
Storage Temperature: 2-8°C
Refractive index: -12 ° (C=5, 1mol/L HCl)
Solubility: 1.6 g/L
Biological Activity: Immediate precursor of dopamine, produced by tyrosine hydroxylase. Displays antiParkinsonian activity.
Stability: Stable. Incompatible with strong oxidizing agents. Light and air sensitive.
Usage: Natural isomer of the immediate precursor of dopamine; product of tyrsine hydroxylase